Replaceable Tabletop Insert With Hidden Pin Frame Connection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In banquet and catering environments, table tops often become worn, leading to high costs when replacing entire tables, as wear is more pronounced on the surfaces than on the frames, necessitating a cost-effective solution for surface replacement.
Innovation Solution
A table top design featuring a removable central portion that fits within an outer frame, connected by spring-loaded pins, allowing for easy replacement without visible fasteners, enabling the central portion to be swapped with new ones, thus extending the life of the table.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the entire table is replaced when the surface becomes worn, then the table's appearance is restored, but the cost increases significantly
Solution Approach 1:
The table top is divided into two separate components: a reusable outer frame and a replaceable central portion. This segmentation allows only the worn central portion to be replaced while retaining the frame, significantly reducing replacement costs compared to replacing the entire table.
2Ease of manufacture
If the central portion is made removable for replacement, then cost-effective refurbishment is enabled, but the structural complexity increases
Solution Approach 1:
The central portion is designed to nest within the outer frame, with the frame providing a housing structure that contains the removable central section. This nesting arrangement enables easy replacement while maintaining a unified external appearance, balancing simplicity with replaceability.
3Strength
If fasteners are used to connect the central portion to the frame, then structural integrity is maintained, but visible fasteners ruin the aesthetic appearance
Solution Approach 1:
The connection mechanism is extracted and relocated to the interior of the frame structure. Pins are inserted through openings in the frame's inner surface, hidden from external view. This extraction allows fastening functionality to be maintained while eliminating visible fasteners from the aesthetic surface.
4Shape
If the central portion fits tightly within the frame, then gaps are minimized for better appearance, but insertion difficulty increases
Solution Approach 1:
The connection pins are designed with spring-loaded or movable characteristics that allow dynamic adjustment during insertion. The pins can be compressed or retracted to accommodate the tight fit, enabling the central portion to be inserted with minimal gaps while maintaining ease of installation through the dynamic connection mechanism.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design allows for cost-effective refurbishment and aesthetic changes by replacing only the central portion, reducing replacement costs and maintaining the table's appearance without the need for new frames, thereby addressing the high cost of replacing entire table tops.
Implementation Method 1
The pins are spring loaded, such that they are able to slide within the channels to a retracted position to allow the central portion to be inserted within the outer frame. The springs may then bias the pins outward to an extended position such that they extend into the first openings.
Data Source
AI summary
A table top, including an outer frame extending around the periphery of the table top, the frame having an inner surface with a plurality of first openings provided therein, a central portion having an outer periphery receivable within the outer frame, such that together they form the upper surface of the table top, and the outer periphery of the central portion sits adjacent the inner surface of the frame, the outer periphery including a plurality of second openings aligned with the first openings, and a plurality of pins insertable to extend between the first and second openings to connect the central portion to the outer frame.